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Published in 2019 at "Annales Geophysicae"
DOI: 10.5194/angeo-37-843-2019
Abstract: Abstract. In this paper we analysed sudden phase anomalies (SPAs) of VLF–LF signals recorded at Graz (Austria), Birr (Ireland) and Moscow (Russia) stations during two strong solar flares in September 2017. The first X-class 9.3 flare occurred…
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Keywords:
solar ray;
ray flares;
ray;
strong influence ... See more keywords